12135429064 has 16 divisors (see below), whose sum is σ = 24822468720. Its totient is φ = 5516104080.

The previous prime is 12135429023. The next prime is 12135429071. The reversal of 12135429064 is 46092453121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68951214 + ... + 68951389.

It is an arithmetic number, because the mean of its divisors is an integer number (1551404295).

Almost surely, 2^12135429064 is an apocalyptic number.

It is an amenable number.

12135429064 is an abundant number, since it is smaller than the sum of its proper divisors (12687039656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12135429064 is a wasteful number, since it uses less digits than its factorization.

12135429064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137902620 (or 137902616 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 12135429064 in words is "twelve billion, one hundred thirty-five million, four hundred twenty-nine thousand, sixty-four".